4  * SPDX-License-Identifier: Apache-2.0
10 #include <zephyr/drivers/i2c.h>
32 	const struct hs300x_config *cfg = dev->config;  in hs300x_read_sample()
36 	rc = i2c_read_dt(&cfg->bus, rx_buf, sizeof(rx_buf));  in hs300x_read_sample()
44 		return -EIO;  in hs300x_read_sample()
58 	struct hs300x_data *data = dev->data;  in hs300x_sample_fetch()
59 	const struct hs300x_config *cfg = dev->config;  in hs300x_sample_fetch()
65 		return -ENOTSUP;  in hs300x_sample_fetch()
69 	 * By default, the sensor should be factory-programmed to operate in Sleep Mode.  in hs300x_sample_fetch()
70 	 * A Measurement Request (MR) command is required to exit the sensor  in hs300x_sample_fetch()
71 	 * from its sleep state. An MR command should consist of the 7-bit address followed  in hs300x_sample_fetch()
72 	 * by an eighth bit set to 0 (write). However, many I2C controllers cannot generate  in hs300x_sample_fetch()
73 	 * merely the address byte with no data. To overcome this limitation the MR command  in hs300x_sample_fetch()
76 	rc = i2c_write_dt(&cfg->bus, (const uint8_t *)&df_dummy, 1);  in hs300x_sample_fetch()
88 	rc = hs300x_read_sample(dev, &data->t_sample, &data->rh_sample);  in hs300x_sample_fetch()
105 	micro_c = (((int64_t)raw * 165000000) / 16383) - 40000000;  in hs300x_temp_convert()
107 	val->val1 = micro_c / 1000000;  in hs300x_temp_convert()
108 	val->val2 = micro_c % 1000000;  in hs300x_temp_convert()
121 	val->val1 = micro_rh / 1000000;  in hs300x_rh_convert()
122 	val->val2 = micro_rh % 1000000;  in hs300x_rh_convert()
128 	const struct hs300x_data *data = dev->data;  in hs300x_channel_get()
131 		hs300x_temp_convert(val, data->t_sample);  in hs300x_channel_get()
133 		hs300x_rh_convert(val, data->rh_sample);  in hs300x_channel_get()
135 		return -ENOTSUP;  in hs300x_channel_get()
143 	const struct hs300x_config *cfg = dev->config;  in hs300x_init()
145 	if (!i2c_is_ready_dt(&cfg->bus)) {  in hs300x_init()
146 		LOG_ERR("I2C dev %s not ready", cfg->bus.bus->name);  in hs300x_init()
147 		return -ENODEV;  in hs300x_init()